Title :
Energy balance at arc cathode root on copper with oxide films above 25 nm thickness
Author :
Hitchcock, A.H. ; Guile, A.E.
Author_Institution :
University of Leeds, Department of Electrical & Electronic Engineering, Leeds, UK
Abstract :
Energy-balance components are evaluated for an emitting site on a copper cathode with lOOnm-thick oxide film, and show Joule heating to be more important than positive-ion bombardment, which confirms a filamentary switching model.
Keywords :
arcs (electric); oxide coated cathodes; Cu cathode; Joule heating; arc cathode root; energy balance components; filamentary switching model; oxide films;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19770126
